A modder is finally bringing seamless co-op to Dark Souls II, over a decade later

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TL;DR: More than a decade after its original release, Dark Souls II is set to receive a significant fan-made multiplayer update. A modder is currently working on a new "seamless" co-op mode that would theoretically allow the game to be played from start to finish in a single, soul-crushing session.

A well-known FromSoftware modder named "Yui" is working on a new seamless co-op mode for Dark Souls II. The mod is planned for release on the Scholar of the First Sin edition, which includes all previously released DLC and several enhancements to the base game. In a recent post, Yui said the project is taking longer than expected, as Dark Souls II has proven to be a challenging reverse-engineering effort.

Initially announced in 2025, the mod is now approaching the stability required for an "alpha" testing phase. Yui confirmed that it has become one of their most complex and ambitious projects to date, noting that Dark Souls II is a very different beast compared to other FromSoftware Soulslike titles.